.banner {
    width: 100%;
    background: skyblue;
    height: 100%;

    .swiper {
        height: 100%;
        img {
            height: 100%;
            width: 100%;
            object-fit: cover;
            object-position: left top;
            transition: 1s;
        }

        :hover {
            object-position: right bottom;
        }
    }
}